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372xp Big Bore Kit?

Post in 'The Gear' started by Dill, Jan 7, 2009.

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  1. Dill Feeling the Heat

    joined: Oct 14, 2008
    329 posts
    Northwood NH
    Happened to be flipping through a baileys catalog yesterday and noticed they have a big bore kit for pretty cheap. 114 plus the gasket. Supposed to bump it up to 75 cc and be more of a torque saw than a revver. Anyone used this kit?
    #1

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  2. TMonter Minister of Fire

    joined: Feb 8, 2007
    1,240 posts
    Hayden, ID
    Most newer 372XP's have the 75cc Piston/Cylinder already installed. I have one and the biggest different between it and the 70cc version which I've run it against is the low end torque.
  3. smokinj Minister of Fire

    joined: Aug 11, 2008
    15,420 posts
    Anderson, Indiana
    Iam not sold on the big bore kits time and effort to install and 5cc more time and money for me.If your looking for more power muffler port is more bang for the BUCK!
  4. Dill Feeling the Heat

    joined: Oct 14, 2008
    329 posts
    Northwood NH
    Mine's about 6 years old, 4 years it used professionally so I've been thinking about tossing a piston in anyway. This just got me thinking.
  5. smokinj Minister of Fire

    joined: Aug 11, 2008
    15,420 posts
    Anderson, Indiana
    in that case its a no brainer I just about bought one for my 460 when it was new decided to wait til it needs a new piston.
  6. TMonter Minister of Fire

    joined: Feb 8, 2007
    1,240 posts
    Hayden, ID
  7. Dill Feeling the Heat

    joined: Oct 14, 2008
    329 posts
    Northwood NH
    372xpw
    TECHNICAL DATA
    Engine specification
    Cylinder displacement 74.7 cc
    Power output 5.4 hp
    Idling speed 2700 rpm
    Maximum power speed 9600 rpm
    Cylinder bore 2.02 inch
    Cylinder stroke 1.42 inch
    372 xp
    Engine specification
    Cylinder displacement 70.7 cc
    Power output 5.3 hp
    Idling speed 2700 rpm
    Maximum power speed 9600 rpm
    Cylinder bore 1.97 inch
    Cylinder stroke 1.42 inch
    372xpg

    TECHNICAL DATA
    Engine specification
    Cylinder displacement 70.7 cc
    Power output 5.3 hp
    Idling speed 2700 rpm
    Maximum power speed 9600 rpm
    Cylinder bore 1.97 inch
    Cylinder stroke 1.42 inch
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